High Current Kelvin Contacts
50 Amp rated contacts for ZIF and standard Test Socket applications.
These High Current Kelvin Contact pins were originally developed to meet some of the most specialized and demanding electrical test applications in the industry. Over time, their performance and reliability became well recognized across the industry for their ability to deliver consistent, high-current Kelvin measurements in challenging test environments.
The Tooltronics HPK Series High Current Kelvin Contacts are engineered for demanding electrical test applications requiring exceptional current-carrying capability and reliable Kelvin measurements. Designed for high-power environments, these contacts provide stable, low-resistance connections under continuous load conditions.
Each HPK contact is rated for 50 amps per side continuous, making the series an excellent choice for high-current testing applications. The contacts are heat treated and finished with gold over boron nickel, providing superior conductivity, corrosion resistance, and long service life in production test environments.
Built for performance and durability, Tooltronics HPK Series Kelvin Contacts offer a robust and dependable solution for high-current, precision electrical testing.
HPK-FS-xxx
50A Rated
High Current Kelvin Contact for ZIF Test Socket Applications
HPK-xxx
50A Rated
High Current Kelvin Contact for Test Socket Applications
HPK-FS-1.5mm
25A Rated
High Current Kelvin Contact for ZIF Test Socket Applications
Key Features
- 50 Amp current rating
- ZIF and Standard options
- .150" minimum centers
- Accommodates various lead diameters
High Current Kelvin Contacts for Demanding Applications
What Are HPK High Current Kelvin Contacts?
HPK High Current Kelvin Contacts from Tooltronics, Inc. are engineered for demanding electronic test applications requiring high-current capability, reliable electrical performance, and accurate Kelvin measurement. Designed for production and engineering environments, HPK contacts provide dependable connections for high-power device testing and repeated cycling applications.
Kelvin contacts utilize separate current and sensing contact points to help minimize the effects of contact resistance during electrical testing, allowing for more accurate and repeatable measurements.
Built for High-Current Performance
HPK Kelvin Contacts are precision CNC machined from Beryllium Copper, then heat-treated for excellent spring properties, durability, and long-term reliability. Contacts are gold over boron nickel plated to provide excellent conductivity, corrosion resistance, and extended service life in demanding test environments.
HPK Features
Rated up to 50 amps per side
Designed for demanding high-current applications
Precision CNC machined construction
Heat-treated Beryllium Copper
Gold over boron nickel plating
Long service life for repeated cycling
Replaceable contact systems
Made in USA manufacturing
Common Applications
High-current production testing
Power electronics testing
DC-DC converter testing
Burn-in and validation fixtures
Automated test equipment (ATE)
Aerospace and defense electronics
FAQ
What is the maximum current rating?
HPK High Current Kelvin Contacts are rated up to 50 amps per side.
What type of test sockets are these contacts compatible with?
The standard HPK contacts are designed for standard applications such as LIF test sockets.
Tooltronics, Inc. also offers the dedicated HPK-FS product line, which is specifically designed for ZIF test socket applications.
What materials are used?
HPK contacts are precision CNC machined from Beryllium Copper, heat-treated for durability and spring performance, and gold over boron nickel plated for excellent conductivity and corrosion resistance.
Custom Engineering Support
Tooltronics manufactures both standard and fully custom high-current Kelvin contact solutions for specialized testing applications.
Request a quote
Discuss a custom application
Contact engineering support
Need a Custom Solution?
Tooltronics specializes in custom engineering. Contact our team to discuss your specific testing requirements.
Contact Engineering